Algebra - math word problems - page 296 of 312
Number of problems found: 6224
- Alcohol mixture
Three liters of 96 percent alcohol set up a certain amount of distilled water to form 54 percent alcohol. How many liters of distilled water were used? - Mason with assistant
Mason had to complete the work in 10 days. Two and a half days later, his assistant arrived. Together, they completed the work in the next three and a half days. How many days would he need an assistant for the same work? - Contract
Eight employees complete the contract for 65 hours. After 17 hours, three employees had to leave for another job. How many more hours will it take to complete the contract? - Apple division
The three brothers had 24 apples. Everyone kept half and divided half between the two brothers. Everyone had as many apples as they had three years ago. How old were they? - Tractors
Six tractors plowed the field for eight days. After two days, two tractors broke down. How many days were prolonged work in the field? - Painting
Joseph and Frank painted the bench for four hours. If four friends helped him, how many hours would it take him to work? - Greenhouses
Two workers would complete the installation of greenhouses for 54 hours. In how many hours will nine workers? - Five tractors
Five tractors plow the field in 4.8 hours. How long would it take to plow this field if, after 1.5 hours of work, two tractors went to a different field? - Interest
What is the annual interest rate on your account if we put 43280 and after 198 days received 44293.9? - Vinegar
We need to dilute 36 litres of 9.1% vinegar solution to a 4.5% solution. How much water must be added? - Population growth percentage
The population increased from 29,000 to 31,500 in 5 years. Calculate the average annual population growth in percents. - Wage variance deviation
A statistician monitored the variance of monthly wages and found its value to be 640,000. Determine the standard deviation of salaries after a one-off increase of: a) CZK 1,800, b) 5%. - Probability of Ball Number
We have 20 balls in the bag, numbered from 1 to 20. Determine the spring probability that I will pull a ball with a steam number and less than 13 from the bag. - Family children probability
We randomly choose a family with three children. We distinguish between gender and age. Determine the probability that: a) the youngest girl will be among the children b) all children will be of the same sex - Find two digits
Find the possible values of A and B if the six-digit number 2 A16B6 is divisible by 4 and 9. Please write the result as a composed number. - Lion or virgin
We toss the coin, and every throw fits a lion or a virgin with an equal probability of 1/2. Determine how much we have to make throws that, with the probability of 0.9, lions fell at least once. - Stacks
Annie has a total of $ 414. The money must be divided into stacks so that each buyer has the same amount. How many options does she have? - Dining questionnaire
In the class of 32 pupils, the class teacher delivered a satisfaction questionnaire to the school canteen. Eleven people have questioned whether they are satisfied with the dining room. The completed questionnaire also included the vote of the class teach - Prime number
Jan wrote any number from 1 to 20. What is the probability that he wrote the prime number? - Elements
If the number of elements is decreased by two, the number of permutations is decreased 30 times. How many elements are?
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